Find 50 treasures

Kill 30 enemies with the Dragon Sniper

Kill 20 enemies by shooting from the hip (without aiming with the L1 button)

Kill 50 enemies with the 92FS - 9mm

Find 35 treasures

Kill 20 enemies with a brutal combo

Destroy the 5 hidden target diamonds in Act 4: The Level Factory

Fire 5,000 paintballs

Kill 100 enemies with headshots

Collect 75% of the prize bubbles on the story levels

Complete a level online with 3 other players who are on your friends list

Place a sticker or a decoration on another player's sackperson